Comparison

ZEISS Transfer vs TrueLevel

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZEISS Transfer

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ZEISS Transfer allows you to connect your iPhone securely and wirelessly, directly in the operating room to the ZEISS KINEVO 900 or the ZEISS TIVATO 700 via the integrated hotspot. You can review your surgical cases and download the selected media to your mobile device to discuss a case with your colleagues or to prepare a presentation while you are traveling. The app allows you to share images or videos without any patient information. Furthermore you can login to your ZEISS Surgical Cloud account to browse through your stored data and make them available offline.

About

TrueLevel

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TrueLevel turns your iPhone into a bubble level, angle finder, protractor, and plumb tool for carpentry, installation, and DIY checks — all with a clean, easy-to-read interface. • BUBBLE LEVEL Place your iPhone on a surface to check whether it is level. The dual-axis bubble responds in real time with live degree readouts. • ANGLE FINDER & PROTRACTOR Use the full 360° protractor display to check an angle. Hold your device against a surface and read the displayed angle for cutting, framing, or slope checks. Lock & Hold keeps a reading visible while you move the phone. • PLUMB MODE Check vertical alignment with a dedicated plumb bob display. Ideal for door frames, posts, fences, and wall installations. • HAPTIC CONFIRMATION Feel a subtle tap when the readout reaches level, so you do not have to stare at the screen. • SAVE & REVIEW READINGS (Pro) Save a reading with a job label, edit it, and revisit your organized measurement history later. Saved records stay on your phone. • DEVICE CALIBRATION Zero TrueLevel against a reference surface with a simple two-step calibration. Results depend on device sensors, placement, case, and calibration. FREE MEASUREMENT TOOLS • Bubble level with real-time dual-axis display • Angle finder with full protractor readout • Plumb mode • Lock & Hold • Haptic confirmation • Device calibration and unit controls TRUELEVEL PRO — CHOOSE YOUR ACCESS • Weekly subscription: eligible new weekly subscribers can try Pro free for 3 days, then the subscription renews weekly at the localized App Store price until canceled • Yearly subscription: billed yearly at the localized App Store price, with no free trial • Lifetime access: a one-time purchase at the localized App Store price, with no trial or renewal Every Pro option unlocks the same saved-work workflow: labeled measurement history, editing, organization, and later reference. Existing lifetime purchasers keep their Pro access. BUILT FOR PROFESSIONALS & DIY TrueLevel is designed for carpenters, contractors, engineers, and anyone who wants a practical clinometer on their phone. No ads, no account, and no internet required for measurements. PRIVACY FIRST TrueLevel collects zero data. No analytics, no tracking, no account required. Your measurements stay on your device. Requires iOS 17.6 or later. Privacy Policy: https://ai-app-generator-sigma.vercel.app/truelevel/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ZEISS Transfer4 screens
TrueLevel4 screens

Verdict

The call

The clearest difference is in-app purchases: ZEISS Transfer at none against TrueLevel's 1. TrueLevel's advantage is update cadence (monthly vs every 22 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TrueLevel sells 1 one-off in-app purchase. ZEISS Transfer asks for nothing beyond the download.

UpkeepUpdate frequency

ZEISS Transfer ships an update every 22 months, TrueLevel monthly. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 4 level
ZEISS Transfer versus TrueLevel: the parameters behind the verdict, then further details
ParameterZEISS TransferTrueLevel
PriceFreeFree
Update frequencyEvery 22 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better17.6
Further details — not scored
Size53 MB3 MB
Age rating17+4+
DeveloperCarl Zeiss AGDaniil Mukashev

In-app purchases

None

ZEISS Transfer

No in-app purchases

1 purchases

TrueLevel

One-time1
  • TrueLevel Pro$3.99

Questions

Is ZEISS Transfer free?
ZEISS Transfer is free to download, with no in-app purchases.
Is TrueLevel free?
TrueLevel is free to download, with in-app purchases available.
Do ZEISS Transfer or TrueLevel have ads?
Neither ZEISS Transfer nor TrueLevel shows ads.
Which is updated more often, ZEISS Transfer or TrueLevel?
ZEISS Transfer ships an update every 22 months, and TrueLevel monthly. Most recently, ZEISS Transfer was updated on September 28, 2026 and TrueLevel on September 27, 2026.

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